233944228 has 72 divisors (see below), whose sum is σ = 496930560. Its totient is φ = 95981760.

The previous prime is 233944223. The next prime is 233944231. The reversal of 233944228 is 822449332.

It is not an unprimeable number, because it can be changed into a prime (233944223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 844426 + ... + 844702.

Almost surely, 2^233944228 is an apocalyptic number.

233944228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 233944228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248465280).

233944228 is an abundant number, since it is smaller than the sum of its proper divisors (262986332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

233944228 is a wasteful number, since it uses less digits than its factorization.

233944228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465 (or 456 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 233944228 is about 15295.2354672950. The cubic root of 233944228 is about 616.1750535547.

The spelling of 233944228 in words is "two hundred thirty-three million, nine hundred forty-four thousand, two hundred twenty-eight".